Re: Why can't I call Random[NormalDistribution[10.0,0.0]]?

*To*: mathgroup at smc.vnet.net*Subject*: [mg56141] Re: [mg56106] Why can't I call Random[NormalDistribution[10.0,0.0]]?*From*: DrBob <drbob at bigfoot.com>*Date*: Sat, 16 Apr 2005 03:53:04 -0400 (EDT)*References*: <200504150848.EAA11604@smc.vnet.net>*Reply-to*: drbob at bigfoot.com*Sender*: owner-wri-mathgroup at wolfram.com

rand[mu_,sigma_?Positive]:=Random@NormalDistribution[mu,sigma] rand[mu_, 0 | 0.] := mu MapThread[rand,{Range@3,Range[0,2]}] {1, 3.0837, 1.44367} You'd have MapThread[rand, {array1, array2}] Bobby On Fri, 15 Apr 2005 04:48:13 -0400 (EDT), <barrowes at alum.mit.edu> wrote: > Why can't I call Random[NormalDistribution[10.0,0.0]]? > > I get the error: > NormalDistribution::posscale: The scale parameter 0.` is expected to be > positive. > > It seems like I should get a random number with mean 10 and sigma 0. Or > in other words, the result should 10 every time. > > In my program I want an array of number taken from different > distributions > Map[Random,Thread[NormalDistribution[Array1,Array2]]] > > And elements of Array2 may be 0 for which I woudl ike the corresponding > value in Array1 returned. In fact, > Random[NormalDistribution[10.0,0.000000001]] > does return 10.0 as expected. > > This worked in 5.1, but now returns this error in 5.1.1. > > Anyone have an easy workaround? > > Thanks, > Ben Barrowes > > > > -- DrBob at bigfoot.com

**References**:**Why can't I call Random[NormalDistribution[10.0,0.0]]?***From:*barrowes@alum.mit.edu